Alert archive / Louisiana / Severe Thunderstorm Watches in 1997

Severe Thunderstorm Watch 348

May 28, 19976 counties in Alabama; 28 parishes in Louisiana; 23 counties in Mississippi

The Storm Prediction Center issued this severe thunderstorm watch at May 28, 1997, 1:30 PM CDT for 6 counties in Alabama; 28 parishes in Louisiana; 23 counties in Mississippi. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: May 28, 1997, 1:30 PM CDT (18:30 UTC)
Expired: May 28, 1997, 7:00 PM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 57 counties

Baldwin County, AL, Choctaw County, AL, Clarke County, AL, Marengo County, AL, Mobile County, AL, Washington County, AL, Acadia Parish, LA, Ascension Parish, LA, Assumption Parish, LA, Avoyelles Parish, LA, East Baton Rouge Parish, LA, East Feliciana Parish, LA, Evangeline Parish, LA, Iberia Parish, LA, Iberville Parish, LA, Lafayette Parish, LA, Lafourche Parish, LA, Livingston Parish, LA, Orleans Parish, LA, Pointe Coupee Parish, LA, Saint Bernard Parish, LA, Saint Charles Parish, LA, Saint Helena Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, Saint Tammany Parish, LA, St. Mary Parish, LA, Tangipahoa Parish, LA, Vermilion Parish, LA, Washington Parish, LA, West Baton Rouge Parish, LA, West Feliciana Parish, LA, Amite County, MS, Clarke County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, George County, MS, Greene County, MS, Hancock County, MS, Harrison County, MS, Jackson County, MS, Jefferson Davis County, MS, Jones County, MS, Lamar County, MS, Lawrence County, MS, Lincoln County, MS, Marion County, MS, Pearl River County, MS, Perry County, MS, Pike County, MS, Stone County, MS, Walthall County, MS, Wayne County, MS, Wilkinson County, MS

Warnings issued inside it

26 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
May 28, 1:45 PM CDT	Severe Thunderstorm Warning	LIX	Livingston	60 min
May 28, 2:31 PM CDT	Severe Thunderstorm Warning	LIX	Pearl River	29 min
May 28, 3:00 PM CDT	Severe Thunderstorm Warning	LCH	Iberia, Saint Martin	45 min
May 28, 3:08 PM CDT	Severe Thunderstorm Warning	LIX	Saint James	67 min
May 28, 3:10 PM CDT	Severe Thunderstorm Warning	JAN	Franklin	50 min
May 28, 3:18 PM CDT	Severe Thunderstorm Warning	LIX	Pearl River	57 min
May 28, 3:19 PM CDT	Severe Thunderstorm Warning	JAN	Forrest	41 min
May 28, 3:34 PM CDT	Severe Thunderstorm Warning	LIX	Amite, Wilkinson	56 min
May 28, 3:46 PM CDT	Severe Thunderstorm Warning	MOB	Clarke	59 min
May 28, 3:47 PM CDT	Tornado Warning	LIX	Pearl River	28 min
May 28, 3:52 PM CDT	Severe Thunderstorm Warning	MOB	Washington	68 min
May 28, 3:52 PM CDT	Severe Thunderstorm Warning	JAN	Forrest	38 min
May 28, 4:11 PM CDT	Severe Thunderstorm Warning	MOB	George	64 min
May 28, 4:43 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Jones	47 min
May 28, 4:45 PM CDT	Severe Thunderstorm Warning	LIX	Lafourche	15 min
May 28, 4:54 PM CDT	Severe Thunderstorm Warning	MOB	Clarke, Washington	66 min
May 28, 4:55 PM CDT	Tornado Warning	LIX	Lafourche	35 min
May 28, 4:58 PM CDT	Severe Thunderstorm Warning	JAN	Franklin	47 min
May 28, 5:12 PM CDT	Severe Thunderstorm Warning	LIX	Amite	18 min
May 28, 5:14 PM CDT	Severe Thunderstorm Warning	JAN	Lawrence, Lincoln	46 min
May 28, 5:21 PM CDT	Severe Thunderstorm Warning	LIX	Pike	24 min
May 28, 5:27 PM CDT	Severe Thunderstorm Warning	LIX	Lafourche	33 min
May 28, 5:39 PM CDT	Tornado Warning	LIX	Amite	36 min
May 28, 6:31 PM CDT	Severe Thunderstorm Warning	LIX	Pointe Coupee	29 min
May 28, 6:49 PM CDT	Flash Flood Warning	MOB	Choctaw, Clarke, Washington	6 hr
May 28, 6:50 PM CDT	Severe Thunderstorm Warning	LIX	West Feliciana	25 min

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 6.5 hours before the alert went out and 92 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 570 J/kg
Mixed-layer CIN: -154 J/kg
Mixed-layer LCL: 1200 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 28, 12:15 AM CDT	Tornado Watch	SPC	Choctaw, Clarke, Conecuh, Escambia, Fayette, Greene and 10 more	5 hr
May 27, 7:00 PM CDT	Tornado Watch	SPC	Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 13 more	6 hr
May 27, 8:00 PM CDT	Tornado Watch	SPC	Caldwell, Catahoula, East Carroll, Franklin, Grant, LaSalle and 4 more	5 hr
May 27, 10:00 PM CDT	Tornado Watch	SPC	Alcorn, Benton, Calhoun, Chickasaw, Coahoma, DeSoto and 15 more	5 hr

Nearby

Severe Thunderstorm Watches in Louisiana, 1997 Severe Thunderstorm Watches in Mississippi, 1997 Severe Thunderstorm Watches in Alabama, 1997 Every severe thunderstorm watch in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.